| commit | 5c97450df748819381daa4c4d400c39b0d7378ae | [log] [tgz] |
|---|---|---|
| author | Paul Redmond <paul.redmond@intel.com> | Tue Feb 12 15:21:21 2013 +0000 |
| committer | Paul Redmond <paul.redmond@intel.com> | Tue Feb 12 15:21:21 2013 +0000 |
| tree | 248ac9d6c584c8abdf1caaab94aba84ca3d24715 | |
| parent | 7eacad03efda36e09ebd96e95d7891cadaaa9087 [diff] |
PR14562 - Truncation of left shift became undef DAGCombiner::ReduceLoadWidth was converting (trunc i32 (shl i64 v, 32)) into (shl i32 v, 32) into undef. To prevent this, check the shift count against the final result size. Patch by: Kevin Schoedel Reviewed by: Nadav Rotem git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174972 91177308-0d34-0410-b5e6-96231b3b80d8